Wordnet 3.0
NOUN (1)
1. 
 slow-growing medium-sized cedar of east coast of the United States; 
 resembles American arborvitae; 
[syn: southern white cedar, coast white cedar, Atlantic white cedar, white cypress, white cedar, Chamaecyparis thyoides]
WordNet (r) 3.0 (2006):
coast white cedar
    n 1: slow-growing medium-sized cedar of east coast of the United
         States; resembles American arborvitae [syn: southern white
         cedar, coast white cedar, Atlantic white cedar, white
         cypress, white cedar, Chamaecyparis thyoides]